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Product 12477

By: The Flinn Staff

The Determination of the Empirical Formula of Silver Oxide Classic Lab Kit for AP® Chemistry demonstrates the Law of Conservation of Mass and the Law of Multiple Proportions by students determining the empirical formula of silver oxide.

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Classic AP Requirement #1—Determination of the Formula of a Compound

Students decompose silver oxide by heating a sample in a crucible. By using analytical techniques, the empirical formula of silver oxide is determined. The Law of Multiple Proportions and the Law of Conservation of Mass are demonstrated. Students gain valuable hands-on experience using an analytical balance and a crucible. An alternate procedure for the laboratory is included along with supplemental questions.

Complete for 24 students working in pairs.

Determination of the Empirical Formula of Silver Oxide Inquiry Guidance and AP® Chemistry Curriculum Alignment Transition Guide available! Follow the link in Resources to find this valuable publication that lets you adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework.


Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Using mathematics and computational thinking
Engaging in argument from evidence

Disciplinary Core Ideas

HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Patterns
Scale, proportion, and quantity
Systems and system models
Energy and matter

Performance Expectations

HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
HS-PS1-7. Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.